package com.itheima.service;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.dao.OrderSettingDao;
import com.itheima.pojo.OrderSetting;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.*;

/**
 * 预约设置服务
 */
@Service
@Transactional
public class OrderSettingServiceImpl implements OrderSettingService {
    @Autowired
    private OrderSettingDao orderSettingDao;

    //批量添加预约信息
    @Override
    public void add(List<OrderSetting> orderSettingList) {
        if(orderSettingList != null && orderSettingList.size() >0){
            for (OrderSetting orderSetting : orderSettingList) {
                //检查此数据（日期）是否存在
                long count = orderSettingDao.findCountByOrderDate(orderSetting.getOrderDate());
                if(count >0){
                    //已经存在，执行更新操作
                    orderSettingDao.editNumberByOrderDate(orderSetting);
                }else{
                    //不存在，执行添加操作
                    orderSettingDao.add(orderSetting);
                }
            }
        }

    }

    //根据日期查询预约设置数据
    @Override
    public List<Map> getOrderSettingByMonth(String orderDate) {
        String begin = orderDate + "-1";
        String end = orderDate + "-31";
        Map<String,String> map = new HashMap<>();
        map.put("dateBegin",begin);
        map.put("dateEnd",end);
        List<OrderSetting> list = orderSettingDao.getOrderSettingByMonth(map);
        List<Map> data = new ArrayList<>();
        for (OrderSetting orderSetting : list) {
            Map orderSettingMap = new HashMap();
            orderSettingMap.put("date",orderSetting.getOrderDate().getDate());//获得日期（几号）
            orderSettingMap.put("number",orderSetting.getNumber());//可预约人数
            orderSettingMap.put("reservations",orderSetting.getReservations());//已预约人数
            data.add(orderSettingMap);
        }
        return data;
    }

    //根据指定日期修改可预约人数
    @Override
    public void editNumberByDate(OrderSetting orderSetting) {
        Date orderDate = orderSetting.getOrderDate();
        long count = orderSettingDao.findCountByOrderDate(orderDate);
        if (count > 0L) {
            //当前日期已经进行了预约设置，需要进行修改操作
            orderSettingDao.editNumberByOrderDate(orderSetting);
        } else {
            //当前日期没有进行预约设置，进行添加操作
            orderSettingDao.add(orderSetting);
        }
    }
}












